/// <summary>
/// Das Zeichnen des Kreises wird jetzt per Maus-Klick bestätigt
/// </summary>
/// <param name="pt"></param>
/// <param name="buttons"></param>
/// <param name="screenHeight"></param>
/// <param name="curElement"></param>
/// <param name="statusMessage"></param>
/// <returns></returns>
public static ClickResult Circle_ClickHandler(System.Drawing.Point pt, MouseButtons buttons,
int screenHeight, ref Curve curElement, out string statusMessage)
{
ClickResult result = ClickResult.canceled;
statusMessage = string.Empty;
Point worldPoint = TransformScreen2World(pt, screenHeight);
if (buttons != MouseButtons.Right)
{
if (curElement == null || curElement.GetType() != typeof(Circle))
{
//Der Kreis-Center wird gemerkt
curElement = new Circle(worldPoint, new Vector(), 0);
result = ClickResult.created;
statusMessage = EndMessage;
}
else
{
Circle c = curElement as Circle;
//Der Raduis wird berechnen durch
c.Radius = c.CenterPoint.DistanceTo(worldPoint);
result = ClickResult.finished;
statusMessage = StartMessage;
}
}
return(result);
}
public static ClickResult Polyline_ClickHandler(System.Drawing.Point pt, MouseButtons buttons,
int screenHeight, ref Curve curElement, out string statusMessage)
{
ClickResult result = ClickResult.canceled;
statusMessage = string.Empty;
Point worldPoint = TransformScreen2World(pt, screenHeight);
if (curElement == null || curElement.GetType() != typeof(Polyline))
{
if (buttons == MouseButtons.Left)
{
PolylinePoints.Add(worldPoint);
curElement = new Polyline(new Point[] { worldPoint });
result = ClickResult.created;
statusMessage = NextMessage;
}
else if (buttons == MouseButtons.Right)
{
result = ClickResult.canceled;
statusMessage = StartMessage;
}
}
else
{
Polyline p = curElement as Polyline;
if (buttons == MouseButtons.Left)
{
PolylinePoints.Add(worldPoint);
p.AddPoint(worldPoint);
result = ClickResult.pointHandled;
statusMessage = EndMessage;
}
else if (buttons == MouseButtons.Right && p.Points.Count < 2)
{
result = ClickResult.canceled;
statusMessage = StartMessage;
}
else if (buttons == MouseButtons.Right)
{
result = ClickResult.finished;
statusMessage = StartMessage;
}
}
return(result);
}
// <summary>
/// Das Zeichnen der Linie wird jetzt per Maus-Click betätigt
/// </summary>
/// <param name="pt">Nimmt die Werte von "e.Location"</param>
/// <param name="buttons">Bestimmt, ob es ein rechter oder linker Mouse-Klick ist </param>
/// <param name="screenHeight">Höhe der PictureBox</param>
/// <param name="curElement"></param>
/// <param name="statusMessage">Aktuelle Anzeige von dem Toolstrip"Infos vom System"</param>
/// <returns></returns>
public static ClickResult Linie_ClickHandler(System.Drawing.Point pt, MouseButtons buttons,
int screenHeight, ref Curve curElement, out string statusMessage)
{
statusMessage = string.Empty;
ClickResult result = ClickResult.canceled;
Point worldPoint = TransformScreen2World(pt, screenHeight);
if (buttons != MouseButtons.Right)
{
if (curElement == null || curElement.GetType() != typeof(Line))
{
curElement = new Line(worldPoint, worldPoint);
result = ClickResult.created;
statusMessage = EndMessage;
}
else
{
(curElement as Line).EndPoint = worldPoint;
result = ClickResult.finished;
statusMessage = StartMessage;
}
}
return(result);
}
/// <summary>
/// </summary>
/// <param name="centerPoint">Centre du cercle</param>
/// <param name="normal">Vecteur normal</param>
/// <param name="radius"></param>
public Circle(Point centerPoint, Vector normal, double radius)
{
this.CenterPoint = centerPoint;
this.Normal = normal;
this.Radius = radius;
}
/// <summary>
/// Methoden
/// </summary>
/// <param name="startPoint"></param>
/// <param name="endPoint"></param>
public Line(Point startPoint, Point endPoint)
{
this.StartPoint = startPoint;
this.EndPoint = endPoint;
}
public void InsertPointAt(int position, Point newPoint)
{
Points.Insert(position, newPoint);
}
public void AddPoint(Point newPoint)
{
Points.Add(newPoint);
}
